In 2001 the Wisconsin Central was purchased by a second Canadian railroad, the Canadian National. Along with the former Illinois Central Railroad, the former Wisconsin Central became part of Canadian Nationals United States holdings and its property integrated into the CN system. At the time of its sale to Canadian National, Wisconsin Central operated over 2,850 miles of track in the Great Lakes region.

Wisconsin Central Map created by Sean Lamb, based on a map in the Wisconsin Central Railroad's 1998 Annual Report.

In 2001 the Wisconsin Central was purchased by a second Canadian railroad, the Canadian National Railway. Along with the former Illinois Central Railroad, the former Wisconsin Central became part of Canadian National's United States holdings and its property integrated into the CN system.
At the time of its sale to Canadian National, Wisconsin Central operated over 2,850 miles of track in the Great Lakes region. The railroad extended from Chicago into and through Wisconsin to Minneapolis/St. Paul and Duluth, Minnesota, to Sault Ste. Marie, Michigan.